Product comparison · 2 backup storage devices

Acer DDS4 20/40GB Ultra160 68pin vs Iomega ZIP DRIVE 250MB USB

Key differences

Media type
- DDS4 20/40GB Ultra160 68pin:Tape Cartridge
- ZIP DRIVE 250MB USB:Zip disk
Interface
- DDS4 20/40GB Ultra160 68pin:Ultra160 SCSI
- ZIP DRIVE 250MB USB:USB

Differences highlightedShow differences only

Comparison of DDS4 20/40GB Ultra160 68pin, ZIP DRIVE 250MB USB
18 specifications	A Acer DDS4 20/40GB Ultra160 68pin View product	B Iomega ZIP DRIVE 250MB USB View product
Performance2 differ
Product type	Storage drive	Storage drive
Media typeDiffers	Tape Cartridge	Zip disk
InterfaceDiffers	Ultra160 SCSI	USB
InternalKnown for one	Yes	Unknown — not stated by the source
Data storage typeKnown for one	DDS	Unknown — not stated by the source
Compression ratioKnown for one	2:1	Unknown — not stated by the source
Storageidentical
Native capacityKnown for one	20 GB	Unknown — not stated by the source
Compressed capacityKnown for one	40 GB	Unknown — not stated by the source
Media types supportedKnown for one	DAT	Unknown — not stated by the source
Storage capacityKnown for one	Unknown — not stated by the source	250 MB
Data transmissionidentical
Sustained data transfer rate (compressed)Known for one	6 MB/s	Unknown — not stated by the source
Sustained data transfer rate (native)Known for one	3 MB/s	Unknown — not stated by the source
Other featuresidentical
I/O portsKnown for one	1 x 68 pin HD D-Sub (HD-68)	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	165 x 119 x 25 mm
Seek timeKnown for one	Unknown — not stated by the source	40 ms
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	165 mm
DepthKnown for one	Unknown — not stated by the source	119 mm
HeightKnown for one	Unknown — not stated by the source	25 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.